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14.02.2020 •
Mathematics
Lawrence performs a survey to determine the average number of minutes of exercise seventh-grade athletes get in one week. He gets a list of sports and the seventh-grade students participating in each sport. He then chooses 10 people from each list to complete the survey. How can Lawrence’s sample be improved to be more representative of the population? 1. He can choose his sample from all seventh-grade students. 2. He can choose his sample from a list of students by class rather than by sport. 3. He can choose his sample from every third person on each list rather than 10 people. 4. He can choose his sample from a list of all athletes participating in each sport.
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Ответ:
C. He can choose his sample from every third person on each list rather than 10 people
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Ответ:
you saying what is the value of x is just like saying what is the meaning of life
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